/* =========================================================
   Ombe Guestfarm & Safari — Navigation
   ========================================================= */

/* Improvement 3: Transparent nav over hero, darkens on scroll */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: 1px solid transparent;
  overflow: visible;
  transition: background 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease, backdrop-filter 0.4s ease;
}
#site-header.scrolled {
  background: rgba(26, 42, 24, 0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom-color: rgba(200,146,42,0.25);
  box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

/* Improvement 2: Scroll progress bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 100%;
  background: var(--accent);
  transform-origin: left center;
  transform: scaleX(0);
  z-index: 1002;
  transition: transform 0.08s linear;
}

.nav-inner {
  display: flex;
  align-items: center;
  height: var(--nav-height);
  width: min(1600px, 100% - 2rem);
  margin-inline: auto;
  gap: 1.5rem;
  overflow: visible;
}

/* ---- Fishtail Ribbon Logo Container ---- */
.nav-logo {
  flex-shrink: 0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  position: relative;
  align-self: flex-start;
  background: #fff;
  width: 220px;
  height: 140px;
  padding: 14px 22px 42px;
  margin-right: 1rem;
  /* Bookmark/pennant: V notch cut up from bottom centre */
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 68%, 0 100%);
  transition: height 0.4s ease, width 0.4s ease, padding 0.4s ease, clip-path 0.4s ease;
  z-index: 10;
}

#site-header.scrolled .nav-logo {
  height: 100px;
  width: 150px;
  padding: 8px 16px 32px;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 68%, 0 100%);
}

.nav-logo img {
  height: 70px;
  width: auto;
  display: block;
  margin-top: 4px;
  transition: height 0.4s ease;
}

#site-header.scrolled .nav-logo img {
  height: 44px;
  margin-top: 4px;
}

.nav-logo img.logo-hidden { display: none; }

/* ---- Nav Links ---- */
.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  flex: 1;
  list-style: none;
}

.nav-links a {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-on-dark);
  opacity: 0.85;
  transition: color var(--ease), opacity var(--ease);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.nav-links li { position: relative; }
.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
  opacity: 1;
  border-bottom-color: var(--accent);
}

/* ---- Dropdowns ---- */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: rgba(18, 28, 16, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 0 0 6px 6px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
  min-width: 280px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1001;
  display: flex;
  flex-direction: column;
  padding: 0.5rem 0;
}
.nav-links li:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown a {
  padding: 0.8rem 1.25rem;
  font-size: 0.72rem;
  font-weight: 700;
  white-space: normal;
  border-bottom: 1px solid rgba(244,235,213,0.06);
  transition: background 0.2s ease, color 0.2s ease, padding-left 0.2s ease;
  line-height: 1.4;
}
.nav-dropdown a:last-child {
  border-bottom: none;
}
.nav-dropdown a:hover {
  background: rgba(200,146,42,0.15);
  color: var(--accent);
  padding-left: 1.6rem;
}

/* ---- Right Controls ---- */
.nav-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

/* Language switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}
.lang-btn {
  padding: 0.25rem 0.45rem;
  color: rgba(244,235,213,0.6);
  transition: color var(--ease);
  border-radius: 2px;
  text-transform: uppercase;
}
.lang-btn.active {
  color: var(--accent);
  background: rgba(200,146,42,0.12);
}
.lang-btn:hover { color: var(--accent); }
.lang-divider {
  color: rgba(244,235,213,0.3);
  font-size: 0.7rem;
}

/* Book CTA */
.btn-book {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.55rem 1.2rem;
  background: var(--accent);
  color: var(--white);
  border-radius: 2px;
  white-space: nowrap;
  transition: background var(--ease), transform 0.15s;
}
.btn-book:hover { background: var(--accent-hover); }
.btn-book:active { transform: scale(0.97); }

/* ---- Mobile hamburger ---- */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  height: 2px;
  background: var(--text-on-dark);
  border-radius: 1px;
  transition: transform var(--ease), opacity var(--ease);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- Mobile drawer ---- */
@media (max-width: 900px) {
  .nav-hamburger { display: flex; }
  .nav-links-wrap {
    display: none;
    position: fixed;
    inset: var(--nav-height) 0 0 0;
    background: var(--dark-deep);
    flex-direction: column;
    padding: 2rem 1.5rem;
    gap: 0;
    overflow-y: auto;
    z-index: 999;
  }
  .nav-links-wrap.open { display: flex; }
  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    flex: none;
    width: 100%;
  }
  .nav-links li { width: 100%; }
  .nav-links a {
    height: auto;
    padding: 1rem 0;
    font-size: 1rem;
    border-bottom: 1px solid rgba(244,235,213,0.1);
    border-left: none;
    width: 100%;
  }
  .nav-dropdown {
    position: static;
    visibility: visible;
    opacity: 1;
    transform: none;
    background: transparent;
    border: none;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    min-width: 100%;
    padding: 0;
  }
  .nav-dropdown a {
    padding: 0.85rem 0 0.85rem 2rem;
    font-size: 0.85rem;
    font-weight: 400;
    opacity: 0.7;
    border-bottom: 1px solid rgba(244,235,213,0.1);
  }
  .nav-dropdown a:hover {
    background: transparent;
    padding-left: 2rem;
    color: var(--accent);
  }
  .nav-links li:last-child > a { border-bottom: none; }
  .nav-controls {
    margin-top: 2rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .btn-book { width: 100%; text-align: center; padding: 0.85rem; }
}

@media (max-width: 900px) {
  .nav-links-wrap { display: none; }
  .nav-links-wrap.open { display: flex !important; }
}

@media (min-width: 901px) {
  .nav-links-wrap {
    display: flex !important;
    flex: 1;
    align-items: center;
  }
  .nav-links {
    flex-direction: row;
    height: 100%;
  }
}